changed how strings are written out and added parallel routines
added option for collective or independent read when in PHDF5
changed write and read parallel string to F90 from F2003 due to IBM compiler
put collective property for string reading
removed independent I/O from only master reads during tally result read
removed commented line
Merge branch 'hdf5_upgrade' into hdf5_parallel
Merge pull request #180 from mit-crpg/hdf5_parallel

PHDF5 Collective/Independent Calls